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MitreCVE-2021-34543

HistoryDec 07, 2021 - 9:15 p.m.

CVE-2021-34543

2021-12-0721:15:08

CWE-306

mitre

web.nvd.nist.gov

cve-2021-34543

solar-log 500

authentication bypass

remote attack

administrative privileges

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.7

Confidence

High

EPSS

0.039

Percentile

92.1%

JSON

The web administration server in Solar-Log 500 before 2.8.2 Build 52 does not require authentication, which allows remote attackers to gain administrative privileges by connecting to the server. As a result, the attacker can modify configuration files and change the system status.

Affected configurations

Nvd

Node

bkwsolar-log_500Match-

AND

bkwsolar-log_500_firmwareRange≤2.8.1

bkwsolar-log_500_firmwareMatch2.8.2build_50

VendorProductVersionCPE
bkwsolar-log_500-cpe:2.3:h:bkw:solar-log_500:-:*:*:*:*:*:*:*
bkwsolar-log_500_firmware*cpe:2.3:o:bkw:solar-log_500_firmware:*:*:*:*:*:*:*:*
bkwsolar-log_500_firmware2.8.2cpe:2.3:o:bkw:solar-log_500_firmware:2.8.2:build_50:*:*:*:*:*:*

Vendor	Product	Version	CPE
bkw	solar-log_500	-	cpe:2.3:h:bkw:solar-log_500:-:::::::*
bkw	solar-log_500_firmware	*	cpe:2.3:o:bkw:solar-log_500_firmware::::::::
bkw	solar-log_500_firmware	2.8.2	cpe:2.3:o:bkw:solar-log_500_firmware:2.8.2:build_50::::::

References

drive.google.com/file/d/1z1TaANlDyX4SOP2vjNzkPQI3nETL9kZM/view?usp=sharing

www.exploit-db.com/exploits/49986

www.solar-log.com/en/support/firmware/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

AI Score

7.7

Confidence

High

EPSS

0.039

Percentile

92.1%

JSON

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